Home / 1,443,554,363.21-1,992,106,495.55-783,504,777.29

Finding the Fourth Proportional to 1,443,554,363.21, 1,992,106,495.55 and 783,504,777.29

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Solution

The fourth proportional to 1,443,554,363.21, 1,992,106,495.55 and 783,504,777.29 is: 1,081,237,392.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,554,363.21 : 1,992,106,495.55 = 783,504,777.29 : x
  2. Step 2: Convert to fraction form
    1,443,554,363.21/1,992,106,495.55 = 783,504,777.29/x
  3. Step 3: Cross multiply
    1,443,554,363.21x = 1,992,106,495.55 × 783,504,777.29
  4. Step 4: Simplify right side
    1,443,554,363.21x = 1,560,824,956,125,863,424
  5. Step 5: Solve for x
    x = 1,560,824,956,125,863,424/1,443,554,363.21
  6. Step 6: Final answer
    x = 1,081,237,392.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.